CA1013471A - Device for locally positionning a flexible rotating disc - Google Patents
Device for locally positionning a flexible rotating discInfo
- Publication number
- CA1013471A CA1013471A CA160,914A CA160914A CA1013471A CA 1013471 A CA1013471 A CA 1013471A CA 160914 A CA160914 A CA 160914A CA 1013471 A CA1013471 A CA 1013471A
- Authority
- CA
- Canada
- Prior art keywords
- positionning
- locally
- rotating disc
- flexible rotating
- flexible
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
Classifications
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B17/00—Guiding record carriers not specifically of filamentary or web form, or of supports therefor
- G11B17/32—Maintaining desired spacing between record carrier and head, e.g. by fluid-dynamic spacing
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
- G11B7/12—Heads, e.g. forming of the optical beam spot or modulation of the optical beam
- G11B7/122—Flying-type heads, e.g. analogous to Winchester type in magnetic recording
Landscapes
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Optical Recording Or Reproduction (AREA)
- Manufacturing Optical Record Carriers (AREA)
- Optical Record Carriers And Manufacture Thereof (AREA)
- Sliding-Contact Bearings (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7200789A FR2167258A5 (en) | 1972-01-11 | 1972-01-11 |
Publications (1)
Publication Number | Publication Date |
---|---|
CA1013471A true CA1013471A (en) | 1977-07-05 |
Family
ID=9091713
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA160,914A Expired CA1013471A (en) | 1972-01-11 | 1973-01-10 | Device for locally positionning a flexible rotating disc |
Country Status (6)
Country | Link |
---|---|
US (1) | US3980810A (en) |
JP (1) | JPS4881509A (en) |
CA (1) | CA1013471A (en) |
DE (1) | DE2301329A1 (en) |
FR (1) | FR2167258A5 (en) |
GB (1) | GB1382371A (en) |
Families Citing this family (19)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5126664Y2 (en) * | 1972-08-28 | 1976-07-07 | ||
JPS5037404A (en) * | 1973-08-06 | 1975-04-08 | ||
DE2700298A1 (en) * | 1976-01-07 | 1977-09-08 | Texas Instruments Inc | ARRANGEMENT FOR RECORDING AND / OR READING INFORMATION |
US4074330A (en) * | 1976-08-30 | 1978-02-14 | International Business Machines Corporation | Flexible disk storage apparatus |
GB1525308A (en) * | 1976-09-30 | 1978-09-20 | Ibm | Data storage apparatus |
US4114183A (en) * | 1977-04-11 | 1978-09-12 | Insurance Technology Company | Recording system with gas supported record medium |
FR2396383A1 (en) * | 1977-07-01 | 1979-01-26 | Thomson Brandt | DEVICE FOR SUPPORTING A SOFT DISC-SHAPED INFORMATION MEDIA AND DISC DRIVE USING SUCH A DEVICE |
US4418365A (en) * | 1977-08-19 | 1983-11-29 | Iit Research Institute | Video disc transducer system |
GB1569667A (en) * | 1977-09-30 | 1980-06-18 | Ibm | Record/playback heat structure and data storage apparatus therefor |
US4316278A (en) * | 1979-12-13 | 1982-02-16 | Mcdonnell Douglas Corporation | System for reading or recording indicia on a flexible disc |
US4447899A (en) * | 1980-06-18 | 1984-05-08 | Eastman Kodak Company | Optical disc method, media and apparatus for writing and/or reading information |
GB2093254B (en) * | 1980-12-31 | 1985-07-03 | Sony Corp | Apparatus for driving flexible discs |
JPS57191512A (en) * | 1981-05-21 | 1982-11-25 | Computer Peripherals | Optical axial encoder-disk |
DE3608396A1 (en) * | 1985-03-13 | 1986-10-16 | Canon K.K., Tokio/Tokyo | RECORDING OR PLAYING DEVICE |
GB2216710B (en) * | 1988-03-14 | 1992-09-02 | Ici Plc | Optical or magneto-optical data system |
US5012463A (en) * | 1988-03-14 | 1991-04-30 | Bernoulli Optical Systems Company | Optical read/write storage system for flexible media having bernoulli stabilization at the optical head |
US6381092B1 (en) * | 2000-01-10 | 2002-04-30 | Komag, Inc. | Spacer rings to compensate for disk warpage |
US6566870B2 (en) | 2000-05-24 | 2003-05-20 | Seagate Technology Llc | Vacuum plate disc stabilizer for a spin-stand tester used for testing a head-gimbal assembly |
US20070242589A1 (en) * | 2006-04-13 | 2007-10-18 | Inphase Technologies, Inc. | Stabilizing holographic disk medium against vibrations and/or controlling deflection of disk medium |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3166997A (en) * | 1961-06-28 | 1965-01-26 | Ibm | Hydrostatic film disc stabilizer and spacer |
JPS4919211B1 (en) * | 1968-02-29 | 1974-05-16 | ||
US3678482A (en) * | 1970-08-26 | 1972-07-18 | Burroughs Corp | Multiple surface fluid film bearing |
FR2126492A5 (en) * | 1971-02-08 | 1972-10-06 | Thomson Csf | |
DE2134504B2 (en) * | 1971-07-10 | 1977-09-08 | ARRANGEMENT FOR COMPENSATING THE ELECTROSTATIC FORCES CAUSED BY FRICTION IN AN EVALUATION UNIT FOR DIAGRAM DISCS |
-
1972
- 1972-01-11 FR FR7200789A patent/FR2167258A5/fr not_active Expired
-
1973
- 1973-01-08 GB GB101573A patent/GB1382371A/en not_active Expired
- 1973-01-10 CA CA160,914A patent/CA1013471A/en not_active Expired
- 1973-01-11 DE DE2301329A patent/DE2301329A1/en active Pending
- 1973-01-11 JP JP48005612A patent/JPS4881509A/ja active Pending
-
1974
- 1974-10-30 US US05/519,189 patent/US3980810A/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
US3980810A (en) | 1976-09-14 |
DE2301329A1 (en) | 1973-07-19 |
FR2167258A5 (en) | 1973-08-24 |
JPS4881509A (en) | 1973-10-31 |
GB1382371A (en) | 1975-01-29 |
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